EN
The authoress presents a concept and implementation of Universal Bibliographic Control program. Statements from the most important IFLA and UNESCO congresses on UBC are discussed - in particular standards for bibliographic data, formats for data, types of documents recorded in national bibliographies, forms of national bibliographies and tasks of national bibliographic agencies. Finally, the authoress reports on the most up-to-date (2008) Library of Congress and IFLA guidelines concerning the future of national bibliographies in the context of rapidly evolving electronic information technologies.